the u.s. government is joining a lawsuit accuses lance armstrong of using performance enhancing drugs. the dep of justice is acting on behalf of the postal service which spent $30 million po support arm strong's racing teams. justice department officials say they will argue armstrong defrauded the government. >> it requireings everybody who works for it not to use any illegal drugs. armstrong claims he was in fact blood doping. >> armstrong denies the postal service suffered any losses. after denying doping allegations for years he admitted to using illegal drugs during an interview with oprah winfrey last month. >> coming up celebrating the 100th anniversary of the woman's march. >> find out more about laura newman. >> a look at last night's winning lottery number. >> a new county executive laura new man was sworn in yesterday replacing disgraced john leopold. we have more. >> who is laura newman. >> that name is unknown to me. >> does that worry you at all? >> a little bit. considering what'